code: выполненный код

1.cbp

@@ -13,7 +13,12 @@
 				<Option compiler="gcc" />
 				<Compiler>
 					<Add option="-g" />
+					<Add directory="curl/include" />
 				</Compiler>
+				<Linker>
+					<Add library="libcurl.dll.a" />
+					<Add directory="curl/lib" />
+				</Linker>
 			</Target>
 			<Target title="Release">
 				<Option output="bin/Release/1" prefix_auto="1" extension_auto="1" />

1.depend

@@ -20,7 +20,7 @@
 	<iostream>
 	<vector>
 
-1684762502 source:c:\users\79156\desktop\3\main.cpp
+1684764299 source:c:\users\79156\desktop\3\main.cpp
 	<iostream>
 	<vector>
 	<cmath>
@@ -28,6 +28,8 @@
 	"histogram.h"
 	"svg.h"
 	<curl/curl.h>
+	<sstream>
+	<string>
 
 1681131908 c:\users\79156\desktop\3\histogram.h
 	<vector>

main.cpp

@@ -1,77 +1,89 @@
 #include <iostream>
 #include <vector>
-#include <cmath>
-#include <windows.h>
+#include <conio.h>
 #include "histogram.h"
+#include "text.h"
 #include "svg.h"
 #include <curl/curl.h>
-
+#include <sstream>
+#include <string>
 using namespace std;
+
 struct Input
 {
     vector<double> numbers;
     size_t bin_count{};
 };
 
-
-
 Input
-input_data(istream& tin, bool prompt)
+input_data(istream& in, bool promt)
 {
-
     size_t number_count;
-    if(prompt)
-    cerr << "Enter number_count ";
-
-    tin >> number_count;
-
-    vector<double> numbers(number_count);
-    Input in;
-    in.numbers.resize(number_count);
-
-    if(prompt)
-    cerr << "Enter numbers ";
+    if (promt)
+    {
+        cerr << "Enter number count: ";
+    }
+    in >> number_count;
 
+    Input it;
+    it.numbers.resize(number_count);
     for (size_t i = 0; i < number_count; i++)
     {
-        cin >> in.numbers[i];
+        in >> it.numbers[i];
     }
+    if (promt)
+    {
+        cerr << "Enter bin count: ";
+    }
+    in>> it.bin_count;
+    return it;
+}
 
-    size_t bin_count;
-
-    if(prompt)
-    cerr << "Enter bin_count ";
-
-    tin >> in.bin_count;
-    return in;
-
+size_t write_data(void* items, size_t item_size, size_t item_count, void* ctx)
+{
+    size_t data_size = item_size * item_count;
+    stringstream* buffer = reinterpret_cast<stringstream*>(ctx);
+    buffer->write(reinterpret_cast<const char*>(items), data_size);
+    return data_size;
 }
 
 
+Input
+download(const string& address)
+{
+    stringstream buffer;
+    CURL *curl = curl_easy_init();
+    if(curl)
+    {
+        CURLcode res;
+        curl_easy_setopt(curl, CURLOPT_URL, address.c_str());
+        curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_data);
+        curl_easy_setopt(curl, CURLOPT_WRITEDATA, &buffer);
+        res = curl_easy_perform(curl);
+        if (res != CURLE_OK)
+        {
+            fprintf(stderr, "curl_easy_perform() failed: %s\n",curl_easy_strerror(res));
+            exit(1);
+        }
+        curl_easy_cleanup(curl);
 
-
+    }
+    return input_data(buffer, false);
+}
 
 
 int main(int argc, char* argv[])
 {
-    if(argc > 1){
-            CURL *curl = curl_easy_init();
-    if(curl)
-{
-  CURLcode res;
-  curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
-  res = curl_easy_perform(curl);
-  if(res != CURLE_OK){
-    fprintf(stderr, "curl_easy_perform() failed: %s\n",
-            curl_easy_strerror(res));
-            exit(1);}
-  curl_easy_cleanup(curl);
-}
-        return 0;
+    Input input;
+    if (argc > 1)
+    {
+        input = download(argv[1]);
     }
-    curl_global_init(CURL_GLOBAL_ALL);
-    auto in = input_data(cin, false);
-    auto bins = make_histogram(in.numbers, in.bin_count);
+    else
+    {
+        input = input_data(cin, true);
+    }
+
+    const auto bins = make_histogram(input.numbers, input.bin_count);
     show_histogram_svg(bins);
-    return 0;
 }